Try a New CFL
Save energy with the flip of a switch. See our gallery of CFLs, and get more smart lighting tips from the new book Green Lighting.
This one is a no-brainer: Swap your old incandescent bulbs for compact fluorescents (CFLs). Each bulb may cost a little more (between $2 and $7), but a compact fluorescent will pay for itself in mere months and prevent 450 pounds of power-plant emissions over the bulb's lifetime.
If every U.S. household replaced just one incandescent bulb with a compact fluorescent light bulb, the amount of energy saved could light 2.5 million homes for a year.
To help choose the bulb with the right light output for your purposes, visit the chart on EnergyStar (note that Energy Star-certified CFLs also must meet minimum quality standards for light output, lifespan, low mercury content and warranty). If you need further convincing, Popular Mechanics has recently done a lab test comparing CFLs and incandescents. You'll be surprised at the findings.
Also check out the new book Green Lighting, cowritten by TDG web editor Brian Clark Howard.
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